问题
单项选择题
The middleman relieves the producer of ______.
A．fluctuating market demand and staying at risk
B．the production of commodities for the retail market
C．some extent of production of changing demand
D．storing goods in a warehouse until they are needed
答案
参考答案：A
解析：[分析] 细节题型。 答案出自第二段最后一句话He frees the manufacturer, to some extent, from the effect on production of changing demand and having to bear the whole risk．